Monday, January 16, 2012
How much exercise should I do?
In addition to the National Academies' Institute of Medicine's recommendation of 60 minutes of daily exercise to prevent weight gain, there are two other major U.S. guidelines for how much physical activity you need:
• The American College of Sports Medicine recommends a five- to 10-minute warm-up and then 30 to 45 minutes of continuous aerobic activity (such as swimming, biking, walking, dancing, or jogging) three to five times a week, with a stretch and cool down period in the last five to 10 minutes. The ACSM also recommends weight training: at least one set (eight to 12 repetitions) each of eight to 10 different exercises, targeting the body's major muscle groups.
• The surgeon general recommends accumulating 30 minutes of moderate-intensity activity (hard enough to leave you feeling "warm and slightly out of breath") on most, if not all, days of the week. You can do it in two bouts of 15 minutes, three bouts of 10 minutes, or one bout of 30 minutes. This recommendation emphasizes incorporating activity into your daily life -- walking instead of taking the bus, parking your car farther from the mall and walking across the parking lot, taking stairs instead of the elevator, and washing your car by hand.
If your ready to "BRING IT", then you will "BRING IT" for 60min - 90min at 110%!!!!!!!!!!!
Friday, January 13, 2012
Should I hold off on weight training until I lose weight?
Absolutely not. Lifting weights will not only help you lose weight, but maintain the loss. Here's why:
• Muscle keeps your metabolism revved up, burning calories, fat, and glucose (sugar).
• When you lose weight, up to 25% of the loss may come from muscle, resulting in a slower metabolism. Weight lifting will help preserve or rebuild any muscle you lose by dieting.
• Muscle helps you with aerobic exercise. The stronger you are, the better you will be at any aerobic activity.
• Weight training improves your body's muscle-to-fat ratio (you end up with less body fat and more muscle), which improves both your health and your fitness level.
• Gaining muscle will help you look better as you define and tone your physique.
• Building strength helps you feel good about yourself. Although the scale may show a slight weight gain when you start lifting weights (usually five pounds or less), you probably won't look heavier because the gain is in muscle, and your clothes may even fit more loosely.
HAVE A GREAT WEEKEND!
Thursday, January 12, 2012
Why do you use the BMI, and is it useful for weight lifters?
The Body Mass Index (BMI) is a simple way for men and women to estimate body fat based on their height and weight. From the BMI, it is possible to determine your healthy weight range.
One of the limitations of BMI is that it can overpredict overweight or obesity in people who are lean and muscular. For instance, someone who is 5 feet 10 inches tall and weighs 220 pounds, with 12% body fat, would be considered obese based on BMI standards. Obviously, someone with 12% body fat is not obese.
The scientists who developed the BMI guidelines readily admit to this limitation. But their rationale is that most Americans are not lean and muscular and so for most people, the BMI is an accurate assessment of body fat and increased health risk.
It is important to know that people who are classified as overweight or obese can still be healthy as long as they are fit. In one well-known study, fit people with BMIs that classified them as overweight or obese were healthier and lived longer than unfit people who were at normal weight.
The BMI, for the majority of Americans, is the most up-to-date and scientifically sound method available for determining healthy weight.
Wednesday, January 11, 2012
Signs someone is trying to rip you off:
• Extravagant claims of massive improvement in a short period of time with little or no effort. If it sounds too good to be true, guess what? It is.
• Claims of secret or suppressed knowledge that "the [diet/fitness/medical/exercise] establishment" doesn't want you to know about. Claims that all well-established forms of exercise like running and lifting weights are wrong.
• Claims about spot reduction or converting fat to muscle, both of which are impossible. Losing fat and gaining muscle are possible, but you don't literally turn one into the other.
• Use of meaningless language like "toning" or "sculpting" instead of talking about quantifiable changes to body composition, strength or endurance.
• Magical language. Your personal spirituality is beyond the scope of this guide, but appeals to vaguely defined concepts like "energy fields" that are never actually explained and "internal cleansing" of various "toxins" that always remain nameless are usually strong indicators that someone is trying to con you.
• Overuse of scientific-sounding language that is never actually defined. Real programs may have some jargon in them, but they will explain what the jargon means. At worst, you'll be able to easily find the meaning of their terminology, because they're using real concepts with a real scientific basis. Con artists just tend to throw lots of big words at you in the hope that you just give up and assume that they're smarter than you are, and you can never find out what they actually mean, because they just made it up to sell you something.
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